<template>
    <div class="red">
  <h2>{{msg}}</h2> 

    </div>
</template>

<script>
export default {
    data() {
        return {
            msg:'哈哈', 
        };
    },
    created() {

    },
    mounted() {

    },
    methods: {

    }
};
</script>

<style scoped   lang='css'>
    .red{
        background-color: red;
    }
</style>
